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WO2017186092A1 - Procédé et appareil de sélection de tranche de réseau - Google Patents

Procédé et appareil de sélection de tranche de réseau Download PDF

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Publication number
WO2017186092A1
WO2017186092A1 PCT/CN2017/081836 CN2017081836W WO2017186092A1 WO 2017186092 A1 WO2017186092 A1 WO 2017186092A1 CN 2017081836 W CN2017081836 W CN 2017081836W WO 2017186092 A1 WO2017186092 A1 WO 2017186092A1
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WIPO (PCT)
Prior art keywords
service
network slice
information
network
type
Prior art date
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Ceased
Application number
PCT/CN2017/081836
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English (en)
Chinese (zh)
Inventor
陈祥榴
徐岱
李大鹏
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ZTE Corp
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ZTE Corp
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Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Publication of WO2017186092A1 publication Critical patent/WO2017186092A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W48/00—Access restriction; Network selection; Access point selection
    • H04W48/18—Selecting a network or a communication service

Definitions

  • a typical network slice includes a set of virtualized access network functions and core network functions.
  • the network slice is built by the operator according to the requirements and policies.
  • the functions included in a network slice are also determined by the operator according to the requirements and policies.
  • some network slices may include a dedicated forwarding plane in addition to the control plane functionality; some network slices may include only some basic control plane functions.
  • the service description information of the service is used to indicate that the network side performs network slice selection; the terminal receives the information list of the network slice corresponding to the service type determined by the network side; Determining, by the terminal, a selection decision for instructing to select a network slice according to the received information list; the terminal sending network slice indication information selected according to the selection decision to the network side; wherein, the indication of the network slice
  • the information is used to indicate location index information of the network slice in the information list, or an identification ID of the network slice.
  • a terminal including: a processor, configured to send a service request to a network side, where the service request carries a service type of a service to be performed or is used to indicate a network slice. a service description information of the service, where the service description information is used to indicate that the network side performs network slice selection; and the processing is further configured to receive, by the network side, a network slice corresponding to the service type.
  • FIG. 2 is a flowchart 1 of a method for selecting a network slice according to an embodiment of the present invention
  • FIG. 9 is a flowchart of a method for selecting a default service type for access when a UE actively performs a non-custom service according to an alternative embodiment of the present invention.
  • FIG. 11 is a flowchart of a method for actively reporting small data services by an Internet of Things terminal and successfully selecting a suitable network slice for service according to an alternative embodiment of the present invention
  • FIG. 2 is a flowchart 1 of a method for selecting a network slice according to an embodiment of the present invention. As shown in FIG. 2, the process includes the following steps:
  • Step S204 The terminal receives the information list of the network slice corresponding to the service type determined by the network side according to the service request.
  • the meaning of the slice information is defined as follows: 1 is a low-latency service with a delay of less than 10 ms, and 2 is an ultra-low-latency service with a delay of less than 100 ms (specific classification) Granularity and thresholds may vary).
  • FIG. 2 is a description of the present invention from the terminal side.
  • the present invention will be described from the network side in conjunction with FIG. 3, and the terminal side and the network side correspond to each other.
  • Step S308 The network side sends a list of information to the terminal.
  • Step S310 The network side receives the network slice indication information that is selected by the terminal according to the information list, where the indication information of the network slice is used to indicate the location index information of the network slice in the information list, or the identifier ID of the network slice.
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods of various embodiments of the present invention.
  • a device for selecting a network slice is provided, which is used to implement the foregoing embodiments and preferred embodiments, and details are not described herein.
  • the term "module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 4 is a structural block diagram 1 of a device for selecting a network slice according to an embodiment of the present invention.
  • the device is applied to a terminal side.
  • the device includes: a first sending module 42 configured to send a service request to a network side.
  • the service description information is used to indicate the service description information of the service provided by the network slice, and the service description information is used to indicate that the network side performs the network slice selection.
  • the first receiving module 44 is coupled to the first sending module 42 and configured to receive the network side.
  • the determining module 46 is coupled to the first receiving module 44, and configured to determine, according to the received information list, a selection decision for indicating selection of the network slice;
  • the sending module 48 is coupled to the determining module 46 The connection is set to send the indication information of the network slice selected according to the selection decision to the network side, wherein the indication information of the network slice is used to indicate location index information of the network slice in the information list, or an identifier ID of the network slice.
  • the network slice information involved in this embodiment may include at least one of the following: a network slice type, and service description information of a network slice providing service;
  • the slice category includes a network slice type and a network slice level;
  • the network slice type includes at least one of the following: ultra-high speed service, burst small data service, and low latency service.
  • the network slice level corresponding to different network slice types in this embodiment has different meanings.
  • a terminal is provided, and the processor of the terminal may be configured to send a service request to the network side, where the service request carries the service type to be performed, and is also configured to receive the service notified by the network side. a list of information of the type of network slice information; the processor further configured to determine a selection decision for selecting the network slice based on the received information list; and further configured to transmit the network slice information selected according to the selection decision to the network side.
  • each of the above modules may be implemented by software or hardware.
  • the foregoing may be implemented by, but not limited to, the foregoing modules are all located in the same processor; or, the modules are located in multiple In the processor.
  • the random access resources are classified according to the slice type, and there are two ways:
  • FIG. 6 is a schematic diagram of a PRACH resource grouping manner according to an alternative embodiment of the present invention.
  • the mobile terminal When the mobile terminal is to perform the service, the mobile terminal performs random access (Random Access, RA for short) on the corresponding random access resource according to the configuration information of the random access resource in the system message, and detects the mobile terminal after receiving the network side.
  • the random access resource is used to identify the service class, and then the slice information list supported by the class is carried in the random access response message (RAR) to the mobile terminal, and the mobile terminal receives the The slice information list, and the service attributes to be performed, select the most suitable slice, and carry the finally selected network slice indication information to the network side in the RRC Connection Request message.
  • RAR random access response message
  • FIG. 8 is a flowchart of a method for a UE to actively perform a customized service and carry a service type information to successfully select a suitable network slice for service according to an optional embodiment of the present invention. As shown in FIG. 8 , the steps of the method include:
  • Step S802 When the UE prepares to actively perform the service, the UE performs access on the corresponding random access resource according to the service type.
  • Step S804 The network side receives the random access request of the UE, and identifies the service type according to the random access resource.
  • Step S806 The network side carries the slice information list supported by the service type in the random access response message to the UE;
  • FIG. 9 is a flowchart of a method for successfully selecting a suitable network slice for performing service when a UE actively performs a service and carries service description information according to an optional embodiment of the present invention. As shown in FIG. 9, the steps of the method include:
  • Step S902 The UE prepares to actively perform services, and performs access on the random access resources of the default service type.
  • Step S904 The network side receives the random access request of the UE, and according to the random access resource, the default service type is identified, and the UE may be accessed by referring to the existing access procedure of the LTE.
  • Step S908 The network side performs slice selection according to the service description information in the MSG5 message, and if the service description information is empty, selects a pre-configured slice or a default slice.
  • Step S1002 The UE prepares to actively perform the high-definition video service, and accesses the random access resource corresponding to the category A according to the service type as the ultra-high-speed service;
  • Step S1004 The network side receives the random access request, and identifies that the ultra-high speed service is to be performed according to the random access resource;
  • Step S1006 The network side carries all the slice information (A1, A2) supported by the video service type A to the UE in the random access response message;
  • Step S1010 The UE carries the selected slice information A2 to the network side in the RRC connection request message.
  • the type A performs video service, and there are two video service slices in the network, and the slice information that supports the common video is 1 (the minimum rate is less than or equal to 5G).
  • Slice A1 which supports slice A2 of HD video with slice information of 2 (minimum rate greater than 5G).
  • Step S1102 The Internet of Things terminal prepares to actively report small data services, according to the service type, which is a small data burst in the category. Access is performed on the random access resource corresponding to B;
  • Step S1104 The network side receives the random access request, and identifies, according to the random access resource, that the small data service is to be performed;
  • Step S1106 The network side carries all the slice information (B1, B2) supported by the burst small data service type B to the Internet of Things terminal in the random access response message;
  • Step S1108 The Internet of Things terminal reports the service according to the Internet of Things small data, and then performs polling and matching of the service type in the slice list, and finally finds the slice B2 with the slice information 2, and completes the slice selection process;
  • the specific application scenario may be: type B performs burst small data service, and there are two burst small data service slices in the network, and the slice information that supports the communication between the person and the person is 1 Slice B1, which supports slice B2 of slice information of networked device communication.
  • FIG. 12 is a flowchart of a method for performing smart grid fault information reporting as an example and successfully selecting a suitable network slice for service according to an alternative embodiment of the present invention. As shown in FIG. 12, the steps of the method include:
  • Step S1202 When the smart grid is faulty, the information reporting service is prepared, and the service type is low-latency service, and access is performed on the random access resource corresponding to the category C.
  • Step S1204 The network side receives the random access request, and identifies that the low-latency service is to be performed according to the random access resource;
  • Step S1206 The network side carries all the slice information (C1, C2) supported by the low-latency service type C to the terminal in the random access response message;
  • Step S1208 The terminal performs the polling and matching according to the service to delay (for example, the delay is less than 8 ms), then polls and matches in the slice list, and finally finds the slice C1 with the slice information of 1, and completes the slice selection process;
  • Step S1210 The UE carries the selected slice information C1 to the network side in the RRC connection request message.
  • the type C is a low-latency ultra-reliable service, and there are two low-latency service slices in the network, and the delay is less than 10 ms (such as a smart grid).
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • Step S1 The terminal sends a service request to the network side, where the service request carries the service type of the service to be performed or the service description information used to indicate the service provided by the network slice, and the service description information is used to indicate the network side to select the network slice. ;
  • step S2 When the service description information is carried, the slice selection is completed by the network side, and the process ends.
  • Step S2 The terminal receives a list of information of the network slice corresponding to the service type determined by the network side according to the service request.
  • Step S3 The terminal determines, according to the received information list, a selection decision for indicating selection of a network slice.
  • Step S4 The terminal sends the network slice indication information selected according to the selection decision to the network side.
  • the indication information of the network slice is used to indicate the location index information of the network slice in the information list, or the identifier ID of the network slice.
  • Embodiments of the present invention also provide a storage medium.
  • the foregoing storage medium may be configured to store program code for performing the following steps:
  • Step S1 The network side receives the service request sent by the terminal, where the service request carries the service type of the service to be performed, or the service description information used to indicate the service provided by the network slice;
  • step S3 If the service type of the service to be carried is carried, the process proceeds to step S3; if the service description information is carried, the process proceeds to step S2.
  • Step S2 When the service request carries the service description information, the network side selects the network slice according to the service description information.
  • Step S3 The network side determines a list of information of network slice information corresponding to the service type
  • Step S4 The network side sends a list of information to the terminal;
  • Step S5 The network side receives the network slice indication information that is selected by the terminal according to the information list, where the indication information of the network slice is used to indicate the location index information of the network slice in the information list, or the identifier ID of the network slice.
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the terminal may receive a service request sent by the network side, where the service request carries the service type of the service to be performed or the service description information of the service to be performed, and the service description is performed by the service description.
  • the information network side can directly select the network slice, or through the service type, the network side notifies the terminal of the slice information list corresponding to the service type, and the terminal can select the network slice selection decision through the information list terminal, and complete the network slice selection. Therefore, the problem that the network slice cannot be selected in the related art is solved, and the gap in the related art is filled.

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  • Engineering & Computer Science (AREA)
  • Computer Security & Cryptography (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de sélection de tranche de réseau. Le procédé comprend les étapes suivantes : un terminal envoie une demande de service à un côté réseau, la demande de service transportant un type de service d'un service à traiter ou des informations de description de service utilisées pour ordonner au côté réseau de sélectionner une tranche de réseau ; le terminal reçoit une liste d'informations d'une tranche de réseau correspondant au type de service et déterminée par le côté réseau ; le terminal détermine, conformément à la liste d'informations reçue, une décision de sélection utilisée pour ordonner la sélection de la tranche de réseau ; le terminal envoie, au côté réseau, des informations d'indication de tranche de réseau sélectionnées conformément à la décision de sélection, les informations d'indication de tranche de réseau étant utilisées pour indiquer des informations d'index de localisation de la tranche de réseau dans la liste d'informations ou un identificateur (ID) de la tranche de réseau. La présente invention permet de résoudre un problème dans l'état de la technique de l'incapacité de sélectionner une tranche de réseau, comblant ainsi des lacunes dans l'état de la technique.
PCT/CN2017/081836 2016-04-28 2017-04-25 Procédé et appareil de sélection de tranche de réseau Ceased WO2017186092A1 (fr)

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